Secreted aspartic protease 1 from Candida parapsilosis in complex with pepstatin A
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 1EAG | PDB ENTRY 1EAG | 
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 7 | 292 | five-fold molar inhibitor excess, Cpr=8mg/ml; drops: 0.002ml protein + 0.001ml reservoir + 0.0002ml 10mM ZnAc; reservoir: 0.1M Tris pH 7.0, 2.0M Ammonium Sulfate, 10% glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 292K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.79 | 55.91 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 86.488 | α = 90 | 
| b = 194.247 | β = 91.52 | 
| c = 97.147 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | SBC-3 | 2008-07-10 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | APS BEAMLINE 19-BM | 0.979 | APS | 19-BM | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
| 1 | 1.85 | 50 | 99.3 | 0.045 | 27.2 | 3.8 | 274936 | 273011 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.85 | 1.9 | 98.5 | 0.49 | 2.4 | 3.8 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1EAG | 1.85 | 46.03 | 252690 | 269660 | 1368 | 99.99 | 0.16646 | 0.16634 | 0.17 | 0.19014 | 0.19 | RANDOM | 15.135 | |||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
| -2.83 | 0.37 | 0.57 | 2.27 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 34.701 | 
| r_dihedral_angle_4_deg | 16.49 | 
| r_dihedral_angle_3_deg | 12.185 | 
| r_dihedral_angle_1_deg | 6.015 | 
| r_scangle_it | 2.544 | 
| r_scbond_it | 1.635 | 
| r_angle_refined_deg | 1.256 | 
| r_mcangle_it | 1.023 | 
| r_mcbond_it | 0.61 | 
| r_nbtor_refined | 0.302 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 20582 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 2159 | 
| Heterogen Atoms | 225 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| HKL-2000 | data collection | 
| MOLREP | phasing | 
| REFMAC | refinement | 
| HKL-3000 | data reduction | 
| HKL-3000 | data scaling | 














